Powder spray coating injector device

Details Powder spray coating injector device Powder spray coating injector device

1996-08-15

1998-12-08

Hoge, Gary C.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

406152, 406153, B65G 5342

Patent

active

058460314

ABSTRACT:
Powder spray coating injector device consisting generally of three tubes nested coaxially. Fluidized powder is carried through an inner one of the tubes and compressed air is carried through annular passages between the inner tube and an intermediate tube and between the intermediate tube and an outer tube. The compressed air is used by a fluidizer to fluidize the powder coating material and by an injector to convey the fluidized powder coating material to a conventional powder spray applicator. Upstream ends of the tubes, relative to the direction of powder feeding, are connected via an adapter to an end section. The end section is provided with at least one fluidizer and the injector through which fluidized power is sucked. Any residual powder is easily cleaned from the injector device by positioning a cap over the fluidizer and injector and by delivering compressed air to the cap while fluidizing and injector air is supplied to the device.

REFERENCES:
patent: 4105256 (1978-08-01), Parker et al.
patent: 5505566 (1996-04-01), Gruber
patent: 5615980 (1997-04-01), Mauchle

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